uvm_fault(0xffffffff82516880, 0xffff800000afd000, 0, 1) -> e kernel: page fault trap, code=0 Stopped at uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xffffffff82516880, 0xffff800000afd000, 0, 1) -> e uvm_unmap_remove(ffff800000afcf00,0,80000000,ffff80001594a9a8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000afcf00,0,80000000,ffff80001594a9a8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 end trace frame: 0xffff80001594a9e0, count: 0 ddb> trace uvm_unmap_remove(ffff800000afcf00,0,80000000,ffff80001594a9a8,1,0) at uvm_unmap_remove+0x3eb uvmspace_dused sys/uvm/uvm_map.c:496 [inline] uvm_unmap_remove(ffff800000afcf00,0,80000000,ffff80001594a9a8,1,0) at uvm_unmap_remove+0x3eb sys/uvm/uvm_map.c:2215 uvm_map_deallocate(ffff800000afcf00) at uvm_map_deallocate+0x6e sys/uvm/uvm_map.c:4231 vm_impl_init_vmx(ffff800014f1dc80,ffff8000ffff38c8) at vm_impl_init_vmx+0x1e0 vm_create(ffff800000ae9800,ffff8000ffff38c8) at vm_create+0x182 vm_impl_init sys/arch/amd64/amd64/vmm.c:1376 [inline] vm_create(ffff800000ae9800,ffff8000ffff38c8) at vm_create+0x182 sys/arch/amd64/amd64/vmm.c:1164 VOP_IOCTL(fffffd80361fd820,c5005601,ffff800000ae9800,1,fffffd803f7c6840,ffff8000ffff38c8) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8038bd8e18,c5005601,ffff800000ae9800,ffff8000ffff38c8) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:524 sys_ioctl(ffff8000ffff38c8,ffff80001594ad88,ffff80001594add0) at sys_ioctl+0x5b9 syscall(ffff80001594ae50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,ffffffffffffff59,0,3,78eeb217010) at Xsyscall+0x128 end of kernel end trace frame: 0x79196c0bc50, count: -9 ddb> show registers rdi 0 rsi 0 rbp 0xffff80001594a990 rbx 0 rdx 0x172a __ALIGN_SIZE+0x72a rcx 0xffff800017779000 rax 0xffff800000afcf00 r8 0x1 r9 0 r10 0xcbdff3caf56ba98b r11 0x2677316ba6d2cb77 r12 0 r13 0xfffffd80384e12c8 r14 0 r15 0xffff800000afcf00 rip 0xffffffff81dfd0bb uvm_unmap_remove+0x3eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001594a8e0 ss 0x10 uvm_unmap_remove+0x3eb: movq 0x100(%r15),%r15 ddb> show proc PROC (syz-executor.1) pid=91508 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3650,0xffff8000ffff2c80 process=0xffff8000ffff66d0 user=0xffff800015945000, vmspace=0xfffffd803f013000 estcpu=36, cpticks=2, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 27318 369571 76098 0 2 0 syz-executor.1 *27318 91508 76098 0 7 0x4000000 syz-executor.1 27318 388593 76098 0 3 0x4000080 fsleep syz-executor.1 27318 475521 76098 0 3 0x4000080 fsleep syz-executor.1 76098 353414 34595 0 3 0x82 nanosleep syz-executor.1 18598 240875 34595 0 3 0x82 nanosleep syz-executor.0 29471 2626 0 0 3 0x14200 acct acct 72763 388840 0 0 3 0x14200 bored sosplice 34595 80252 17345 0 3 0x82 thrsleep syz-fuzzer 34595 353711 17345 0 3 0x4000082 thrsleep syz-fuzzer 34595 354672 17345 0 3 0x4000082 thrsleep syz-fuzzer 34595 93272 17345 0 3 0x4000082 thrsleep syz-fuzzer 34595 142780 17345 0 3 0x4000082 kqread syz-fuzzer 34595 80529 17345 0 3 0x4000082 thrsleep syz-fuzzer 34595 420475 17345 0 3 0x4000082 thrsleep syz-fuzzer 17345 362135 17231 0 3 0x10008a pause ksh 17231 357137 6693 0 3 0x92 select sshd 76816 437503 1 0 3 0x100083 ttyin getty 6693 219829 1 0 3 0x80 select sshd 45 23841 74376 73 2 0x100090 syslogd 74376 357181 1 0 3 0x100082 netio syslogd 73473 253464 1 77 3 0x100090 poll dhclient 46007 55275 1 0 3 0x80 poll dhclient 2096 349502 0 0 2 0x14200 zerothread 70996 242815 0 0 3 0x14200 aiodoned aiodoned 79206 115826 0 0 3 0x14200 syncer update 81149 331788 0 0 3 0x14200 cleaner cleaner 91290 283511 0 0 3 0x14200 reaper reaper 98584 35115 0 0 3 0x14200 pgdaemon pagedaemon 97353 415892 0 0 3 0x14200 bored crynlk 79398 200470 0 0 3 0x14200 bored crypto 63983 369829 0 0 3 0x40014200 acpi0 acpi0 27076 405423 0 0 3 0x14200 bored softnet 26918 217520 0 0 3 0x14200 bored systqmp 66364 328470 0 0 3 0x14200 bored systq 59773 293416 0 0 3 0x40014200 bored softclock 43521 203716 0 0 3 0x40014200 idle0 48794 41673 0 0 3 0x14200 bored smr 1 471723 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9501 6417K 7877K 78643K 17994 0 0 pcb 15 8K 8K 78643K 493 0 0 rtable 111 4K 4K 78643K 641 0 0 ifaddr 53 13K 13K 78643K 200 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 1 2K 2K 78643K 67 0 0 iov 0 0K 16K 78643K 190 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1232 77K 78K 78643K 3194 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 9K 78643K 19 0 0 VM map 3 0K 0K 78643K 11 0 0 sem 12 0K 0K 78643K 276 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12645 0 0 file desc 5 13K 25K 78643K 1192 0 0 sigio 0 0K 0K 78643K 10 0 0 proc 49 38K 63K 78643K 669 0 0 subproc 32 2K 2K 78643K 119 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 114 0 0 in_multi 33 2K 2K 78643K 129 0 0 ether_multi 1 0K 0K 78643K 2 0 0 mrt 0 0K 0K 78643K 4 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 340 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 97 21K 30K 78643K 3742 0 0 UVM aobj 104 3K 3K 78643K 107 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 155 0 0 NDP 10 0K 0K 78643K 59 0 0 temp 155 3531K 3600K 78643K 12947 0 0 kqueue 0 0K 0K 78643K 7 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 16 0 10 1 0 1 1 0 8 0 rtpcb 80 89 0 87 1 0 1 1 0 8 0 rtentry 112 98 0 54 2 0 2 2 0 8 0 unpcb 120 421 0 413 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 5525 0 5525 2 2 0 1 0 8 0 tcpcb 544 258 0 254 1 0 1 1 0 8 0 ipq 40 2 0 2 1 0 1 1 0 8 1 ipqe 40 4 0 4 1 0 1 1 0 8 1 inpcb 280 1289 0 1280 6 4 2 2 0 8 1 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 14 0 10 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 ppxss 1128 27 0 27 4 3 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 436 0 221 14 0 14 14 0 8 0 art_table 32 437 0 221 2 0 2 2 0 8 0 art_node 16 95 0 55 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 2 1 0 1 1 0 8 0 semapl 112 274 0 264 1 0 1 1 0 8 0 shmpl 112 105 0 3 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 3326 0 1934 46 0 46 46 0 8 0 ffsino 240 3326 0 1934 83 0 83 83 0 8 0 nchpl 144 5278 0 3674 60 0 60 60 0 8 0 uvmvnodes 72 5049 0 0 92 0 92 92 0 8 0 vnodes 208 5049 0 0 266 0 266 266 0 8 0 namei 1024 17214 0 17214 3 2 1 1 0 8 1 vmpool 520 9 0 8 3 2 1 1 0 8 0 scxspl 192 14857 0 14857 11 10 1 7 0 8 1 plimitpl 152 151 0 144 1 0 1 1 0 8 0 sigapl 432 1348 0 1335 2 0 2 2 0 8 0 futexpl 56 27177 0 27175 1 0 1 1 0 8 0 knotepl 112 372 0 353 1 0 1 1 0 8 0 kqueuepl 104 341 0 339 1 0 1 1 0 8 0 pipepl 112 782 0 763 4 3 1 2 0 8 0 fdescpl 424 1349 0 1335 2 0 2 2 0 8 0 filepl 120 10526 0 10424 6 2 4 5 0 8 0 lockfpl 104 987 0 986 1 0 1 1 0 8 0 lockfspl 48 317 0 316 1 0 1 1 0 8 0 sessionpl 112 22 0 12 1 0 1 1 0 8 0 pgrppl 48 44 0 34 1 0 1 1 0 8 0 ucredpl 96 1525 0 1517 1 0 1 1 0 8 0 zombiepl 144 1335 0 1334 3 2 1 1 0 8 0 processpl 864 1365 0 1334 4 0 4 4 0 8 0 procpl 632 2824 0 2784 4 0 4 4 0 8 0 sosppl 128 31 0 31 6 5 1 1 0 8 1 sockpl 384 1846 0 1827 7 4 3 4 0 8 1 mcl64k 65536 283 0 283 1 0 1 1 0 8 1 mcl16k 16384 156 0 156 1 0 1 1 0 8 1 mcl12k 12288 31 0 31 3 2 1 1 0 8 1 mcl9k 9216 14 0 14 4 4 0 1 0 8 0 mcl8k 8192 61 0 61 1 0 1 1 0 8 1 mcl4k 4096 105 0 105 2 1 1 1 0 8 1 mcl2k2 2112 3 0 3 3 3 0 1 0 8 0 mcl2k 2048 61452 0 61412 18 12 6 13 0 8 0 mtagpl 80 22 0 18 3 2 1 1 0 8 0 mbufpl 256 115076 0 114996 15 7 8 10 0 8 0 bufpl 256 8342 0 3321 314 0 314 314 0 8 0 anonpl 16 133411 0 119598 85 27 58 73 0 62 0 amapchunkpl 152 6189 0 6081 23 13 10 10 0 158 5 amappl16 192 6056 0 5280 58 17 41 51 0 8 1 amappl14 176 403 0 398 2 1 1 1 0 8 0 amappl13 168 16 0 15 2 1 1 1 0 8 0 amappl12 160 102 0 96 1 0 1 1 0 8 0 amappl11 152 424 0 413 1 0 1 1 0 8 0 amappl10 144 19 0 18 2 1 1 1 0 8 0 amappl9 136 772 0 763 1 0 1 1 0 8 0 amappl8 128 517 0 487 2 0 2 2 0 8 0 amappl7 120 55 0 51 1 0 1 1 0 8 0 amappl6 112 424 0 414 1 0 1 1 0 8 0 amappl5 104 872 0 861 1 0 1 1 0 8 0 amappl4 96 1723 0 1698 1 0 1 1 0 8 0 amappl3 88 298 0 292 1 0 1 1 0 8 0 amappl2 80 9609 0 9541 4 2 2 3 0 8 0 amappl1 72 33747 0 33336 26 17 9 20 0 8 0 amappl 80 3121 0 3084 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 106 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1358 0 1335 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1358 0 1335 1 0 1 1 0 8 0 vmmpekpl 168 11901 0 11871 2 0 2 2 0 8 0 vmmpepl 168 164904 0 163063 157 59 98 113 0 357 14 vmsppl 272 1348 0 1335 4 3 1 2 0 8 0 pdppl 4096 2722 0 2686 6 1 5 6 0 8 0 pvpl 32 376390 0 359489 204 57 147 180 0 265 9 pmappl 200 1357 0 1343 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 469 0 28 13 0 13 13 0 8 0